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Exploration of nuclear DNA markers for population structure assessment in the desmid Micrasterias rotata (Zygnematophyceae, Streptophyta)

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Abstract
Freshwater green microalgae are diverse and widely distributed across the globe, yet the population structuring of these organisms is poorly understood. We assessed the degree of genetic diversity and differentiation of the desmid species, Micrasterias rotata. First, we compared the sequences of four nuclear regions (actin, gapC1, gapC2, and oee1) in 25 strains and selected the gapC1 and actin regions as the most appropriate markers for population structure assessment in this species. Population genetic structure was subsequently analyzed, based on seven populations from the Czech Republic and Ireland. Hudson's Snn statistics indicated that nearest-neighbor sequences occurred significantly more frequently within geographical populations than within the wider panmictic population. Moreover, Irish populations consistently showed higher genetic diversity than the Czech samples. These results are in accordance with the unbalanced distribution of alleles in many land plant species; however, the large genetic diversity in M. rotata differs from levels of genetic diversity found in most land plants.
Keywords
genetic differentiation, oee1, genetic diversity, glyceraldehyde-3-phosphate dehydrogenase, green algae, Actin, gapC, AQUATIC PROTISTS, GLOBAL DISPERSAL, MESERES-CORLISSI, EMILIANIA-HUXLEYI, PLANKTONIC DIATOM, MOLECULAR MARKERS, MARINE-PHYTOPLANKTON, MICROBIAL DIVERSITY, MICROSATELLITE MARKERS, GENETIC DIVERSITY, oxygen evolving factor

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Chicago
Jurdíková, Katarína, Jana Kulichová, Helena Bestová, Frédérik Leliaert, and Pavel Škaloud. 2014. “Exploration of Nuclear DNA Markers for Population Structure Assessment in the Desmid Micrasterias Rotata (Zygnematophyceae, Streptophyta).” Journal of Eukaryotic Microbiology 61 (5): 509–519.
APA
Jurdíková, K., Kulichová, J., Bestová, H., Leliaert, F., & Škaloud, P. (2014). Exploration of nuclear DNA markers for population structure assessment in the desmid Micrasterias rotata (Zygnematophyceae, Streptophyta). JOURNAL OF EUKARYOTIC MICROBIOLOGY, 61(5), 509–519.
Vancouver
1.
Jurdíková K, Kulichová J, Bestová H, Leliaert F, Škaloud P. Exploration of nuclear DNA markers for population structure assessment in the desmid Micrasterias rotata (Zygnematophyceae, Streptophyta). JOURNAL OF EUKARYOTIC MICROBIOLOGY. 2014;61(5):509–19.
MLA
Jurdíková, Katarína, Jana Kulichová, Helena Bestová, et al. “Exploration of Nuclear DNA Markers for Population Structure Assessment in the Desmid Micrasterias Rotata (Zygnematophyceae, Streptophyta).” JOURNAL OF EUKARYOTIC MICROBIOLOGY 61.5 (2014): 509–519. Print.
@article{5778638,
  abstract     = {Freshwater green microalgae are diverse and widely distributed across the globe, yet the population structuring of these organisms is poorly understood. We assessed the degree of genetic diversity and differentiation of the desmid species, Micrasterias rotata. First, we compared the sequences of four nuclear regions (actin, gapC1, gapC2, and oee1) in 25 strains and selected the gapC1 and actin regions as the most appropriate markers for population structure assessment in this species. Population genetic structure was subsequently analyzed, based on seven populations from the Czech Republic and Ireland. Hudson's Snn statistics indicated that nearest-neighbor sequences occurred significantly more frequently within geographical populations than within the wider panmictic population. Moreover, Irish populations consistently showed higher genetic diversity than the Czech samples. These results are in accordance with the unbalanced distribution of alleles in many land plant species; however, the large genetic diversity in M. rotata differs from levels of genetic diversity found in most land plants.},
  author       = {Jurd{\'i}kov{\'a}, Katar{\'i}na and Kulichov{\'a}, Jana and Bestov{\'a}, Helena and Leliaert, Fr{\'e}d{\'e}rik and \v{S}kaloud, Pavel},
  issn         = {1066-5234},
  journal      = {JOURNAL OF EUKARYOTIC MICROBIOLOGY},
  language     = {eng},
  number       = {5},
  pages        = {509--519},
  title        = {Exploration of nuclear DNA markers for population structure assessment in the desmid Micrasterias rotata (Zygnematophyceae, Streptophyta)},
  url          = {http://dx.doi.org/10.1111/Jeu.12130},
  volume       = {61},
  year         = {2014},
}

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